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Rhiannon is the middle name of Claire Holt, an Australian actress best known for her roles in television series such as "The Vampire Diaries," "The Originals," and "Pretty Little Liars." Born on June 11, 1988, in Brisbane, Queensland, Australia, Holt gained prominence for her portrayal of Rebekah Mikaelson in "The Vampire Diaries" universe. She has also starred in several films, including "Mean Girls 2" (2011) and "47 Meters Down" (2017).